Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Heat conductor device and method of forming a heat conductor device

a heat conductor and heat conductor technology, applied in the direction of cooling/ventilation/heating modifications, semiconductor/solid-state device details, and modifications by conduction heat transfer, can solve the problems of limiting radiation, limiting the size of a possible current loop, and reducing the effective electrical conductivity of the heat conductor device. , to achieve the effect of efficient formation

Active Publication Date: 2017-02-14
TOP VICTORY INVESTMENTS
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about an improved heat spreader device for electronic components. The device has a pattern of small tiles that prevent electromagnetic energy from absorbing in the component, while also maximizing heat conduction for better cooling. The tiles are arranged to create gaps that act as barriers against electrical currents in the component's frequency range. The pattern is formed using injection molding, which allows for efficient formation. Overall, the patent aims to provide better cooling for electronic components while reducing interference with electrical performance.

Problems solved by technology

As a result, the patterned heat spreader maximally increases the effective thermal conductivity of the heat conductor device, while minimally increasing the effective electrical conductivity of the heat conductor device.
Furthermore, if the island size is well below the EM wavelength, the conducting islands will not function as an antenna, and the small size will also limit the size of a possible current loop, thereby limiting radiation as well.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Heat conductor device and method of forming a heat conductor device
  • Heat conductor device and method of forming a heat conductor device
  • Heat conductor device and method of forming a heat conductor device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040]FIG. 1a schematically shows a heat conductor device 10 provided in thermal contact with an electrical component 12, in the present example an integrated circuit (IC) 12. The heat conductor device 10 comprises a body 13 made of plastic. Plastic advantageously has an essentially zero electrical conductivity, and thus does not give rise to the problems of radiating electromagnetic radiation if the plastic is provided on top of a high-frequency IC. Instead of plastic, any other material having a sufficiently low electrical conductivity can be used. A typical thickness of the body is between 0.5 and 5 mm, for example 1.5 mm. The body 13 is provided with a heat spreader 14 which will now be discussed in more detail in reference to FIGS. 2a and 2b. In the example of FIG. 1a, the heat spreader is located between the IC 12 and the body 13. In an alternative configuration, the heat spreader may be provided on top of the body 13, not facing the IC 12.

[0041]FIG. 1b shows a further alterna...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a heat conductor device (10) for removing heat from an electrical component (12) operating in a frequency range, the device comprising a body (13) having a first thermal conductivity, characterized in that the body (13) is provided with a heat spreader (14) comprising a pattern of thermally conducting tiles (20, 50, 51, 52, 61) separated by gaps (21), the tiles having a second thermal conductivity higher than the first thermal conductivity, wherein each tile has at most a maximum area value and the gaps have at least a minimum gap width, and the maximum area and the minimum width are dimensioned for conforming to a predetermined electromagnetic interference characteristic of the heat conductor device when combined with the electrical component operating in the frequency range. The invention also provides a method for forming a heat conductor device.

Description

FIELD OF THE INVENTION[0001]The invention relates to a heat conductor device for removing heat from an electrical component, particularly an electrical component that functions at a high frequency, for example in the GigaHertz (GHz) domain. The invention also relates to a method of forming a heat conductor device.BACKGROUND OF THE INVENTION[0002]An electrical component that needs cooling is placed in thermal contact with a thermally conductive material, also called a heat conductor device or heat sink. However, materials with good thermal conductivity (such as metal) also tend to have good electrical conductivity.[0003]A nearby layer with good electrical conductivity is problematic when used in conjunction with high frequency devices such as for processor integrated circuits (ICs) or memory ICs operating in the Megahertz (MHz) or Gigahertz (GHz) domain. In these applications, the conducting surface of the surrounding layer acts as a radiator for source currents which are present int...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(United States)
IPC IPC(8): H05K7/20H01L23/367H01L23/373H01L23/66
CPCH05K7/2039H01L23/367H01L23/373H01L23/3731H01L23/3735H01L23/3736H01L23/3737H01L23/66H01L2924/0002H01L2924/00
Inventor LUITEN, GWENDOLYN ANITAPEETERS, LUC HENRI JOZEF
Owner TOP VICTORY INVESTMENTS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products